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MAX11121ATI+
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Analog Devices Inc./Maxim Integrated MAX11121ATI+

Manufacturer No:
MAX11121ATI+
Manufacturer:
Analog Devices Inc./Maxim Integrated
Package:
Tube
Description:
IC ADC 10BIT SAR 28TQFN
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MAX11121ATI+ is a high-speed, low-power, serial output successive-approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11120–MAX11128 family, offering 12-, 10-, or 8-bit resolution with an external reference. It is designed for applications requiring high accuracy, low power consumption, and small package size, making it ideal for portable battery-powered data-acquisition systems and other space-constrained applications.

Key Specifications

ParameterValueUnits
Resolution12-, 10-, 8-bit
Analog Supply Voltage2.35V to 3.6VV
Digital Supply Voltage2.35V to 3.6VV
Conversion Rate1Mspssamples per second
Signal-to-Noise Ratio (SNR)49.6 dB (typical at 250kHz input frequency)dB
Operating Temperature-40°C to +125°C°C
Package28-pin, 5mm x 5mm TQFN
Power Consumption5.4mW at 1Msps with 3V suppliesmW
Full-Shutdown Current2μAA

Key Features

  • Scan modes with internal averaging and internal clock mode
  • 16-entry First-In/First-Out (FIFO)
  • SampleSet: User-defined channel sequence with a maximum length of 256
  • Analog multiplexer with true differential track/hold
  • Flexible input configuration across all channels
  • High accuracy: ±1 LSB INL, ±1 LSB DNL, no missing codes over temperature range
  • 70dB SINAD guaranteed at 250kHz input frequency
  • Wide range I/O supply: 1.5V to 3.6V
  • External differential reference (1V to VDD)
  • 16MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface

Applications

  • High-speed data acquisition systems
  • High-speed closed-loop systems
  • Industrial control systems
  • Medical instrumentation
  • Battery-powered instruments
  • Portable systems

Q & A

  1. What is the resolution of the MAX11121ATI+ ADC?
    The MAX11121ATI+ offers 12-, 10-, or 8-bit resolution.
  2. What is the conversion rate of the MAX11121ATI+?
    The conversion rate is 1Msps.
  3. What is the operating temperature range of the MAX11121ATI+?
    The operating temperature range is -40°C to +125°C.
  4. What is the power consumption of the MAX11121ATI+ at 1Msps with 3V supplies?
    The power consumption is 5.4mW.
  5. Does the MAX11121ATI+ support multiple input configurations?
    Yes, it supports flexible input configurations across all channels, including single-ended, fully-differential, and pseudo-differential inputs.
  6. What is the SampleSet feature in the MAX11121ATI+?
    The SampleSet feature allows users to define a user-programmable analog input channel sequencer, providing greater sequencing flexibility for multichannel applications.
  7. What is the package type and size of the MAX11121ATI+?
    The package type is 28-pin TQFN, and the size is 5mm x 5mm.
  8. Is the MAX11121ATI+ suitable for battery-powered applications?
    Yes, it is designed for low power consumption, making it ideal for battery-powered instruments and portable systems.
  9. What is the full-shutdown current of the MAX11121ATI+?
    The full-shutdown current is 2μA.
  10. Does the MAX11121ATI+ support SPI communication?
    Yes, it supports 16MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface.

Product Attributes

Number of Bits:10
Sampling Rate (Per Second):1M
Number of Inputs:2, 4
Input Type:Differential, Pseudo-Differential, Single Ended
Data Interface:SPI
Configuration:MUX-S/H-ADC
Ratio - S/H:ADC:1:1
Number of A/D Converters:1
Architecture:SAR
Reference Type:External
Voltage - Supply, Analog:2.35V ~ 3.6V
Voltage - Supply, Digital:2.35V ~ 3.6V
Features:- 
Operating Temperature:-40°C ~ 125°C
Package / Case:28-WFQFN Exposed Pad
Supplier Device Package:28-TQFN (5x5)
Mounting Type:Surface Mount
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Similar Products

Part Number MAX11121ATI+ MAX11128ATI+ MAX11125ATI+ MAX11122ATI+ MAX11123ATI+ MAX11126ATI+ MAX11127ATI+ MAX11131ATI+ MAX11129ATI+ MAX11121ATI+T MAX11124ATI+ MAX11141ATI+ MAX11120ATI+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Product Status Active Active Active Active Active Active Active Active Obsolete Active Obsolete Obsolete Obsolete
Number of Bits 10 12 12 12 8 8 10 12 10 10 10 8 8
Sampling Rate (Per Second) 1M 1M 1M 1M 1M 1M 1M 3M 3M 1M 1M 500k 1M
Number of Inputs 2, 4 8, 15, 16 4, 8 2, 4 4, 8 8, 15, 16 8, 15, 16 8, 15, 16 8, 15, 16 2, 4 4, 8 2, 4 2, 4
Input Type Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended Differential, Pseudo-Differential, Single Ended
Data Interface SPI SPI SPI SPI SPI SPI SPI SPI SPI SPI SPI SPI SPI
Configuration MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC
Ratio - S/H:ADC 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1 1:1
Number of A/D Converters 1 1 1 1 1 1 1 1 1 1 1 1 1
Architecture SAR SAR SAR SAR SAR SAR SAR SAR SAR SAR SAR SAR SAR
Reference Type External External External External External External External External External External External External External
Voltage - Supply, Analog 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V
Voltage - Supply, Digital 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V 2.35V ~ 3.6V
Features - - - - - - - - - - - - -
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Package / Case 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad
Supplier Device Package 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount

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